Function registerModule

lib/internal/modules/esm/utils.js:170–185

* V8 would make sure that as long as import() can still be initiated from * the referrer, the symbol referenced by |host_defined_option_symbol| should * be alive, which in term would keep the settings object alive through the * WeakMap, and in turn that keeps the referrer object alive, which woul

(referrer, registry)

 * @param {ModuleRegistry} registry
 */
function registerModule(referrer, registry) {
  const idSymbol = referrer[host_defined_option_symbol];
  if (idSymbol === vm_dynamic_import_no_callback ||
      idSymbol === vm_dynamic_import_missing_flag ||
      idSymbol === vm_dynamic_import_main_context_default ||
      idSymbol === vm_dynamic_import_default_internal) {
    // The referrer is compiled without custom callbacks, so there is
    // no registry to hold on to. We'll throw
    // ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING when a callback is
    // needed.
    return;
  }
  // To prevent it from being GC'ed.
  registry.callbackReferrer ??= referrer;
  moduleRegistries.set(idSymbol, registry);
}

/**
 * Initializes the `import.meta` object for a given module. This is only called when the module